What images are used in Yu Guangzhong's Homesickness to express homesickness?

The poet uses four symbolic images to express abstract homesickness:

One is a "small stamp", which symbolizes the author's homesickness when he was a teenager. ?

The second song is "A Narrow Boat Ticket", which symbolizes the homesickness of the lovers in the author's youth. ?

The third part is A Short Grave, which symbolizes the author's nostalgia for life and death in middle age. ?

The fourth song is "A Shallow Strait", which symbolizes the author's nostalgia for his old country in his later years.

Extended data

There are many poems about homesickness. Xi Murong's Homesickness is fresh and touching, pure and frank.

People who are far away from their hometown often miss their hometown, just as the voice and appearance of missing their loved ones are most likely to appear in front of them. The voice and appearance of hometown always haunt the wandering mind. Poets give poetry this most common and deepest yearning. The voice of hometown in the poem is the flute of Qingyuan, which always rings with the moon at night.

How bright the moonlight is at home! . In the image of homesickness on a moonlit night in ancient poems, a beautiful and distant flute was added. In sharp contrast to Qingyuan's local accent, the appearance of hometown is "just a vague melancholy".